/**
* @brief Bootstrap, first phase with fallback
* @internal
*
* @param handle already allocated, but without defaultBackend
* @param [out] keys for bootstrapping
* @param errorKey key to add errors too
*
* @retval -1 failure: cannot initialize defaultBackend
* @retval 0 warning: could not get initial config
* @retval 1 success
* @retval 2 success in fallback mode
*/
int elektraOpenBootstrap (KDB * handle, KeySet * keys, Key * errorKey)
{
handle->defaultBackend = backendOpenDefault (handle->modules, KDB_DB_INIT, errorKey);
if (!handle->defaultBackend) return -1;
handle->split = splitNew ();
splitAppend (handle->split, handle->defaultBackend, keyNew (KDB_SYSTEM_ELEKTRA, KEY_END), 2);
keySetName (errorKey, KDB_SYSTEM_ELEKTRA);
keySetString (errorKey, "kdbOpen(): get");
int funret = 1;
int ret = kdbGet (handle, keys, errorKey);
int fallbackret = 0;
if (ret == 0 || ret == -1)
{
// could not get KDB_DB_INIT, try KDB_DB_FILE
// first cleanup:
ksClear (keys);
backendClose (handle->defaultBackend, errorKey);
splitDel (handle->split);
// then create new setup:
handle->defaultBackend = backendOpenDefault (handle->modules, KDB_DB_FILE, errorKey);
if (!handle->defaultBackend)
{
elektraRemoveMetaData (errorKey, "error"); // fix errors from kdbGet()
return -1;
}
handle->split = splitNew ();
splitAppend (handle->split, handle->defaultBackend, keyNew (KDB_SYSTEM_ELEKTRA, KEY_END), 2);
keySetName (errorKey, KDB_SYSTEM_ELEKTRA);
keySetString (errorKey, "kdbOpen(): get fallback");
fallbackret = kdbGet (handle, keys, errorKey);
keySetName (errorKey, "system/elektra/mountpoints");
KeySet * cutKeys = ksCut (keys, errorKey);
if (fallbackret == 1 && ksGetSize (cutKeys) != 0)
{
funret = 2;
}
ksAppend (keys, cutKeys);
ksDel (cutKeys);
}
if (ret == -1 && fallbackret == -1)
{
funret = 0;
}
elektraRemoveMetaData (errorKey, "error"); // fix errors from kdbGet()
return funret;
}
static void test_default ()
{
printf ("Test default " KDB_DEFAULT_STORAGE "\n");
KeySet * modules = ksNew (0, KS_END);
elektraModulesInit (modules, 0);
Plugin * plugin = elektraPluginOpen (KDB_DEFAULT_STORAGE, modules, set_pluginconf (), 0);
exit_if_fail (plugin, "KDB_DEFAULT_STORAGE: " KDB_DEFAULT_STORAGE " plugin could not be loaded");
KeySet * test_config = set_pluginconf ();
KeySet * config = elektraPluginGetConfig (plugin);
succeed_if (config != 0, "there should be a config");
compare_keyset (config, test_config);
ksDel (test_config);
succeed_if (plugin->kdbGet != 0, "no get pointer");
succeed_if (plugin->kdbSet != 0, "no set pointer");
elektraPluginClose (plugin, 0);
Backend * backend = backendOpenDefault (modules, KDB_DB_FILE, 0);
Key * mp;
succeed_if ((mp = backend->mountpoint) != 0, "no mountpoint found");
succeed_if_same_string (keyName (mp), "");
succeed_if_same_string (keyString (mp), "default");
backendClose (backend, 0);
elektraModulesClose (modules, 0);
ksDel (modules);
}
